Unreal Engine Issues
Unreal Engine Issues
Intermittent Crash in Pose Search during Cook
UE - Anim - Gameplay - Jan 27, 2025User reports that they've been running into an intermittent crash in Pose Search during Cook. Pose Search attempts to index data outside the bounds of an array. Based on the logs, each asset seems t ...
The engine crashes when adding a new brush at newly created level by a specific way.
UE - LD & Modeling - Modeling Tools - Mesh Editing - Jun 17, 2019issuesFBSPOps::csgAddOperation returns null if BuilderBrush has no valid polys.The creating level on content browser never calls "UEditorEngine::InitBuilderBrush(NewWorld);". But "New level" button o ...
Crash when AnimBlueprint and Bleuprint Interface has Same Name Function
OLD - Anim - Nov 12, 2019When AnimBP and Blueprint Interface was added to the AnimBP has same name function, compiling AnimBP occur crash. ...
Power of two non square Virtual Texture causes crash if you resize it or change it in a Material Instance
UE - Graphics Features - Oct 7, 2020Power of two non square texture make UE4 crash in Material Instance and in engine resize when it's set in VT ...
Crash when renaming AnimGraph function in AnimBP
OLD - Anim - Apr 17, 2015When renaming the AnimGraph in an Animation Blueprint, the editor crashes after you hit enter. [Link Removed] [Link Removed] Occurs in: 4.7.5 Release CL:2503383 4.8 Main CL:2513846 ...
Crash when launching Google VR project
UE - Platform - XR - Dec 12, 2016Attempting to launch a packaged Google VR game on android causes the game to crash. This has occurred on two other devices. This occurs in Main as well as Dev-VR. ...
GPU Crash from out of memory read/writes in Lumen when using non-power-of-2 TracingOctahedronResolution
UE - Graphics Features - Lumen - Aug 6, 2025When the r.Lumen.ScreenProbeGather.TracingOctahedronResolution is not a power of 2 or LumenFinalGatherQuality in a Post Processing Volume is set to a value such that the TracingOctahedronResolution ...
Rearranging Slate Brushes causes crash
UE - Editor - UI Systems - Jul 14, 2019Rearranging the order of a Slate Brush array causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 7305105), 4.24 (CL - 7285696) ...
Crash trying to launch on with a skeleton with Virtual Bones
OLD - Anim - Oct 25, 2016Crash occurs when the user attempts to launch on with a skeleton that has virtual bones. ...
Unloading a spawned Detour AI Controller using Level Streaming causes a crash
UE - AI - Oct 14, 2019In a Level Streaming setup, unloading a level that has spawned an AI Character with a Detour AI Controller causes a crash. This was reported and tested in 4.23 (CL-8386587). This was reproduced in ...